Maybe the weakest level in fashionable electronics in terms of consumer servicability is the lifecycle of the batteries included from the producer. With out simply replaceable batteries, many shopper items find yourself within the landfill once they’re in any other case working completely. Should you’d prefer to get extra out of your gadgets than the producer intends, you might need to go to nice lengths like [Théo] did along with his JBL speaker.

This was a Bluetooth system produced by JBL almost a decade in the past, and whereas the unique system boasted a number of hours of battery life, after so a few years of service, it was fortunate to get a half hour earlier than the battery died. To exchange it, [Théo] eliminated the unique battery and prolonged the case to have the ability to maintain a bigger mobile phone battery. He additionally determined to make use of the unique battery administration circuit from the speaker with the brand new battery after verifying the voltage and chemistry have been shut sufficient to the unique.

Because the telephone battery is a proprietary Samsung system, [Théo] additionally determined to construct a model that makes use of customary 18650 cells as a substitute, though he prefers the slimmer design with the telephone battery for his use case.  Simple as this construct could also be, it does go an extended solution to display the precept that for those who can’t repair your gadgets, you don’t actually personal them.

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